KARACHI, Pakistan

At least four people were injured Thursday in Afghanistan in an explosion at an ammunition depot at police headquarters in the southern city of Kandahar, police said.

The explosion was caused by “old, unexploded ordnance inside the command this morning,” local broadcaster TOLO News quoted Asadullah Jamshid, a spokesperson for the Kandahar Police Command, as saying.

He said told that the timely arrival of firefighters prevented further explosions.